Google engineer breaks world record by calculating pi to 31.4 trillion digits
Talk about perfect timing — a Google engineer revealed that she broke the world record for calculating pi on National Pi Day.Mathematicians and scientists are forever trying to calculate more and more digits of pi, and Google’s GOOG, -0.15% Emma Haruka Iwao spent about four months, or 121 days, computing the most accurate value of pi, ever, by using the Google Compute Engine on the Google Cloud — running up to 31,415,926,535,897 digits, or a symbolic 31.
“The biggest challenge with pi is that it requires a lot of storage and memory to calculate,” Iwao, 34, from Okinawa, Japan, explained in a Google blog post. So using a Google program called y-cruncher across 25 Google Cloud virtual machines allowed this massive four-month calculation to run without interruptions or crashes, which would have disrupted the calculation.“Pi seems simple — it starts with 3.14,” she said. “When I was a kid, I downloaded a program to calculate pi on my computer.
“They’re available to anyone who wants to access them,” according to the blog post. “This means anyone can copy the snapshots, work on the results and use the computation resources in less than an hour. Without the cloud, the only way someone could access such a large dataset would be to ship physical hard drives.”
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A Google employee broke the world record for calculating piGoogle employee Emma Haruka Iwao has calculated pi to 31 trillion digits.
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